JPS6021899Y2 - tightening band - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a fastening band used for connecting cables connecting objects used in high pressure media in pressure vessels.

The connection relationship of the cables connecting objects in the pressure vessel is the first
The diagram will be explained.

10 is a pressure vessel that applies high pressure to the pressure medium 70 (water, seawater, etc.).

20 is an object used in a high pressure medium, and 30 is an object used in a high pressure medium like 20.

The relationship between 20 and 30 is, for example, the battery and motor of a submarine,
It is a combination of a controller and a motor.

Reference numeral 40 indicates a cable containing a built-in electric wire for connecting the objects 20 and 30, and 50 and 60 indicate a combination of female and male connectors.

FIG. 2A is an enlarged view of the vicinity of the joint between the connector 50 and the cable 40 that connect objects in the pressure vessel shown in FIG. 1, and the opening is a front view of A as viewed from the right.

In FIG. 2, 6 is a large number of electric wires which are electrically insulated by an insulating material 7.

5 is a tubular body (metal) on the side of the connector 50;
The flexible cable sheath (eg, insulating rubber) is molded to prevent external pressure medium 70 (water or seawater) from entering the cable from the joint S.

However, since the adhesion between the metal tubular body 5 and the flexible cable sheath is generally poor, the pressure medium 70 often enters from the joint part S during repeated use, causing insulation deterioration.

The tightening band of the present invention was devised for the purpose of improving the above-mentioned problems.

In the present invention, a tapered part is provided on the outer periphery of the tubular body, a tapered part is also provided on the outer periphery of the flexible cable sheath that contacts the tapered part, and the outer periphery of the tapered part of the flexible cable sheath is connected to two opposing sides. The tightening, which is characterized by wrapping the tapered ring and screwing the tapered ring with two opposing holding boxes, involves the band and compresses the flexible cable sheath to generate a preload force and prevent leakage of pressure medium. The band is intended to provide a tightening system that prevents this from occurring, and can be applied to cable connections between devices where external pressure is used.

An embodiment of the tightening band of the present invention will be explained with reference to Fig. 2 A and 2.

Figure 2 A is an example of the tightening band of the present invention, and shows an enlarged view of the joint between the connector and the cable between objects in the pressure vessel, and the opening shows a front view of A as seen from the right. .

1 is a holding box for the tapered ring 3, 2 is a holding box for the tapered ring 4 which is screwed into the holding box of 1, and the tubular body 5 is provided with a chevron-shaped taper part as shown by X; Approximately in parallel, the flexible cable outer device is also provided with a tapered portion as indicated by Y.

Taper rings 3 and 4 are tapered to match this Y taper part.

The operation of the present invention will be explained.

Since tapered rings 3 and 4 are tapered to match the tapered portion Y of the flexible cable external device, when the holding boxes 1 and 2 are tightened, the tapered rings 3 and 4 approach each other.

At this time, the devices outside the flexible cable are tapered rings 3 and 4.
is compressed between the tapered part of the tube and the tapered part X of the tubular body 5,
A preload force is generated at the S joint.

The present invention has the above configuration, and by tightening the holding boxes 1 and 2, the flexible cable external device is compressed between the tapered portions of the tapered rings 3 and 4 and the tapered portion X of the tubular body 5, Since a preload force is generated at the joint portion of S, this preload force has the effect of sealing the pressure medium.

FIG. 3 shows another embodiment of the present invention in which the tapered portions X and Y of FIG. 2 are arcuate, and the operation and effect are the same as those shown in FIG. 2.

[Brief explanation of drawings]

Figure 1 is an explanatory diagram of the connection relationship of cables that connect objects in a pressure vessel, and Figure 2A is an example of the tightening band of the present invention, showing the connection between the connector and cable between objects in the pressure vessel. 3 is an enlarged view of the mouth, a front view of the mouth as seen from the right, and FIG. 3 is an explanatory view of another embodiment of the present invention. 10...Pressure vessel, 20,30...Object, 40...Cable, 50.60...
・Female male connector, 70...Pressure medium, 1,
2... Box body, 3, 4... Taper ring, 5... Tubular body, 6... Electric wire, 7...
...Insulating material, 8...Flexible cable sheath.

Claims (1)

[Scope of utility model registration request] A tapered part is provided on the outer periphery of the tubular body, a tapered part is also provided on the outer periphery of the flexible cable sheath that contacts the tapered part, and the outer periphery of the tapered part of the flexible cable sheath is wrapped with two opposing tapered rings. , a tightening band characterized in that the tapered ring is screwed and tightened with two opposing holding boxes.